Bitcoin Atom (BCA) is a cryptocurrency that was created in 2017 as a fork of the original Bitcoin blockchain. The main goal of BCA is to improve upon the limitations of Bitcoin, such as slow transaction times and high fees. BCA aims to achieve this by implementing atomic swaps, which allow for instant and secure peer-to-peer trading between different cryptocurrencies without the need for a centralized exchange. Additionally, BCA uses a hybrid consensus mechanism that combines proof-of-work and proof-of-stake, which is designed to increase security and decentralization.

BCA also offers a unique feature called Lightning Swaps, which allows for instant and feeless transactions between BCA and other Lightning Network-enabled cryptocurrencies. This feature is particularly useful for merchants and businesses that require fast and cheap transactions. Overall, BCA aims to provide a more efficient and user-friendly cryptocurrency that can be used for everyday transactions and commerce.